A brand new study reflects the fact that low vitamin C levels are correlated with both periodontal disease and gingivitis.  You can see the study here:

 

Remember that oral health is extremely important to overall health and poor oral health is therefore associated with disease risk.

 

What are the best sources of vitamin C?  The foods with the highest content are:

Cantaloupe, Citrus (primarily orange and grapefruit), kiwi, mango, papaya, pineapple, berries, and watermelon.  Vegetables that are high in vitamin C include broccoli, green and red peppers, leafy greens and potatoes, among others.